NP16 5UN is located in the Chepstow Castle and Larkfield electoral ward, within the unitary authority of Monmouthshire and the Welsh Parliamentary constituency of Monmouth. The Local Health Board is Aneurin Bevan University and the police force is Gwent. This postcode has been in use since February 2021.
| Easting | 353724 |
| Northing | 193639 |
| Latitude | 51.639641 |
| Longitude | -2.670111 |
| Country | Wales |
| Postcode District | NP16 |
| Ward | Chepstow Castle And Larkfield |
|---|---|
| Constituency | Monmouth |
10, AUBREY CLOSE, CHEPSTOW, NP16 5UN 2025 28 MAR £389,495 |
15, AUBREY CLOSE, CHEPSTOW, NP16 5UN 2021 10 SEP £299,000 |
3, AUBREY CLOSE, CHEPSTOW, NP16 5UN 2021 25 JUN £284,995 |
4, AUBREY CLOSE, CHEPSTOW, NP16 5UN 2021 5 MAR £279,995 |
| Railway Station (Station Yard) | Chepstow | 90m |
| Tesco (Grounds) | Chepstow | 248m |
| Waters Road (Waters Way) | Hardwick Village | 345m |
| Wyebank Place (Wyebank Road) | Sedbury | 361m |
| Wyebank Place (Wyebank Road) | Sedbury | 368m |
| Chepstow Station | 0.1km |



➜ Get more ratings from the Food Standards Agency
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| St Annes Street | 16:00 | 12:00 | 624m |
| Sedbury Post Office | 17:15 | 11:15 | 876m |
| Tutshill | 16:30 | 11:15 | 1,151m |
The below table lists the International Territorial Level (ITL) codes (formerly Nomenclature of Territorial Units for Statistics (NUTS) codes) and Local Administrative Units (LAU) codes for NP16 5UN:
| ITL 1 Code | Name |
|---|---|
| TLL | Wales |
| ITL 2 Code | Name |
| TLL2 | East Wales |
| ITL 3 Code | Name |
| TLL21 | Monmouthshire and Newport |
| LAU 1 Code | Name |
| W06000021 | Monmouthshire |
The below table lists the Census Output Area (OA), Lower Layer Super Output Area (LSOA), and Middle Layer Super Output Area (MSOA) for NP16 5UN:
| Code | Name | |
|---|---|---|
| OA | W00008262 | |
| LSOA | W01001587 | Monmouthshire 008C |
| MSOA | W02000343 | Monmouthshire 008 |
| NP16 5PD | Station Road | 125m |
| NP16 5PB | Station Road | 142m |
| NP16 5PE | Beaufort Place | 242m |
| NP16 5DP | Green Street | 243m |
| NP16 5AX | River View | 278m |
| NP16 5PA | Exmouth Place | 291m |
| NP16 5DX | Caird Street | 291m |
| NP16 5EB | Hardwick Avenue | 318m |
| NP16 5BZ | School Hill | 324m |
| NP16 5DL | Portwall Road | 344m |